10252321161 has 4 divisors (see below), whose sum is σ = 13669761552. Its totient is φ = 6834880772.

The previous prime is 10252321159. The next prime is 10252321187. The reversal of 10252321161 is 16112325201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10252321161 - 2¹ = 10252321159 is a prime.

It is a super-2 number, since 2×10252321161² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10252321141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1708720191 + ... + 1708720196.

It is an arithmetic number, because the mean of its divisors is an integer number (3417440388).

Almost surely, 2^10252321161 is an apocalyptic number.

It is an amenable number.

10252321161 is a deficient number, since it is larger than the sum of its proper divisors (3417440391).

10252321161 is an equidigital number, since it uses as much as digits as its factorization.

10252321161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3417440390.

The product of its (nonzero) digits is 720, while the sum is 24.

Adding to 10252321161 its reverse (16112325201), we get a palindrome (26364646362).

The spelling of 10252321161 in words is "ten billion, two hundred fifty-two million, three hundred twenty-one thousand, one hundred sixty-one".